Quality Control Tech Seasonal Intern

QUALITY CONTROL TECH - (SEASONAL INTERN)

Job Category: Quality Control

Requisition Number: QUALI
003125

• Posted :
  February 13, 2026
• Part-Time
• On-site

BISMARCK, ND 58504, USA

Good Pay! Good Benefits! Good People! Knife River is a PEOPLE-first company. Our team members are key to our success, and we are committed to giving them the tools, training, and time to do their jobs productively and go home safely each day. Please consider joining our growing team today!

At Knife River, we take care of our team because we know it’s our people who make us successful. We are one of the 10 largest construction materials producers/contractors in the country. Our goal is to build strong teams that, in turn, build strong communities. We are also a publicly traded company on the NYSE with the ticker symbol KNF and part of the S&P Mid Cap 400 index.

ROLE OVERVIEW:

This is a seasonal position, you can use your winters off to travel, hunt, fish or for other activities you enjoy while your benefits continue year round
.

As a Quality Control Tech - Seasonal Intern, you are responsible to safely collect samples of crushed stone, aggregate, sand or gravel.

Typical hours are Monday - Friday 8:00 AM - 6:00 PM with Saturday, as needed - 7:00 AM - 12:00 PM. Hours may vary depending on weather and customer demand.

DUTIES AND/OR RESPONSIBILITIES (summary of components that make up the job)

• Safely and properly perform laboratory tests on variety of materials (Aggregate and/or Concrete)
• Collect materials samples, identify material, and compile statistical data on test results.
• Perform necessary tests (i.e. gradations, shales, %crushed, air, slump, unit weight, etc.)
• Examine and evaluate data - determine material quality in relation to specifications.
• Present alternative actions in relation to the evaluation.
• Perform arithmetic operations and report findings and needed actions.
• Maintain lab and equipment.
• Conduct finished and in-process inspections.
• Communicate effectively (verbal, listening, written) and work with difficult people under high stress situations. Self-motivated, team-player with good interpersonal skills; ability to maintain positive customer relations & act courteous/respectful of others.
• Ensure work activities comply with OSHA, EPA, Safety and Environmental regulations.
• Travel is required.
• Perform other duties assigned.

MINIMUM REQUIREMENTS (minimum educational, experience, or other relevant job requirements)

• General education, grammar and arithmetic, GED or high school diploma or equivalent.
• Ability to provide and maintain proper licensure and acceptable driving record.
• Experience as an Aggregate Tester or Concrete Tester desired.

ADDITIONAL INFORMATION:

Knife River is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, age, color, religion, gender, gender identity, sexual orientation, national origin, disability, protected Veteran status or any other protected category under applicable state/federal law.
Subject to pre-employment drug testing and background checks.

All applications are submitted online. If you are having issues completing the application, please come to the office for assistance.